In order to facilitate evaluation without compression artifacts, please note that this segment is set to load completely before playback begins. Therefore, expect a longer than usual delay before the video starts. Every event has a series of "key action" or "turning points." In marathons, access to fluids is critical and the efficiency of the support staff that supplies these things can easily change the outcome of an event. Understanding all of the critical components is always the first step in planning coverage. Success in conveying these things depends most of all on the ability of the camera crew to capture them.

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